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A236867
Number of (n+1)X(n+1) 0..2 arrays with the maximum plus the upper median minus the lower median of every 2X2 subblock equal
0
81, 1503, 61750, 5913287, 1152135751, 522548961680, 503953627472071, 1150154956960934843
OFFSET
1,1
COMMENTS
Diagonal of A236875
EXAMPLE
Some solutions for n=3
..2..2..0..1....2..0..2..2....2..1..2..1....2..0..0..2....1..2..0..1
..1..2..2..1....1..0..1..0....1..1..0..1....1..2..1..0....2..1..2..0
..2..2..1..1....2..2..2..2....0..2..1..0....0..0..0..2....0..0..2..1
..2..2..2..1....1..1..1..1....1..1..0..1....2..1..2..1....1..2..1..2
CROSSREFS
Sequence in context: A283542 A237771 A110921 * A203650 A284057 A237559
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 01 2014
STATUS
approved